come out of the woodwork

US /kʌm aʊt əv ðə ˈwʊdˌwɜrk/
UK /kʌm aʊt əv ðə ˈwʊdˌwɜrk/
"come out of the woodwork" picture
1.

どこからともなく現れる, 突然現れる

to appear unexpectedly, especially in large numbers, after having been hidden or inactive

:
After the scandal broke, many critics came out of the woodwork.
スキャンダルが発覚した後、多くの批評家がどこからともなく現れた
Every time there's a problem, all the experts come out of the woodwork.
問題が起こるたびに、すべての専門家がどこからともなく現れる